Home / 10,892.65-16,344.38-4,318.69

Finding the Fourth Proportional to 10,892.65, 16,344.38 and 4,318.69

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Solution

The fourth proportional to 10,892.65, 16,344.38 and 4,318.69 is: 6,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.65 : 16,344.38 = 4,318.69 : x
  2. Step 2: Convert to fraction form
    10,892.65/16,344.38 = 4,318.69/x
  3. Step 3: Cross multiply
    10,892.65x = 16,344.38 × 4,318.69
  4. Step 4: Simplify right side
    10,892.65x = 70,586,310.46
  5. Step 5: Solve for x
    x = 70,586,310.46/10,892.65
  6. Step 6: Final answer
    x = 6,480.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.